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Haswell Overclocking Guide [With Statistics] - Page 1189

post #11881 of 19603
Quote:
Originally Posted by Jedson3614 View Post

good question I didn't bother to write it down, what s the difference ? I could look it up, but at this point I raised the voltage by .5, and haven't seen a crash , but then again I didn't notice one for days before either. It kind of shocked me, considering I passed stability tests for hours. i changed to 1.235 vcore. from 1.23. Also this is for 43x and 1866 mhz ram. 9-10-9-27 2t

I had this with an I5 that I sold. It was Prime 1344K and x264 (4,6@1,3 vcore) stable. PC would only crash after playing several hours of Battlefield 3 Multiplayer on 64 player server. Excactly 0.005 more Vcore was enough to get rid of these crashes. And after that I used the CPU for 3 months and had no more crashes.
Maybe another setting in Bios would have helped too but I had not the nerve to check this out.
You could always set Ram to 1333 Mhz and then try either more cache voltage or Input voltage to check if the crashes will go away.
In some some cases the right SA IO A/D values can also help to get more stability.
I personally always try to keep the Input, cache and Vcore voltages as low as possible but that requires more testing sometimes.
Edited by Alxx - 4/20/14 at 4:56pm
post #11882 of 19603
Just ran X264 normal priority at 4.6GHz on my 4670K and hit a max temp of 58°C on one core. I only ran 1 loop. How many loops does everyone run for stability?
post #11883 of 19603
Just thought I'd put my input here...

Motherboard: ASUS MAXIMUS VI GENE
CPU: i7 4770k
Core Multiplier: x45
BLCK: 100Mhz
Cache Max: x45
Volts: 1.28 Adaptive
Temps: 35-40 idle and 80 max on load. (The computer is directly under a shelf with so the restricted airflow out of the H100i probably doesn't help)

Pretty comfortable here...

Edit:
Corsair (CMY16GX3M2A1600C9R) overclocked to 1.6v @ 1866Mhz 9-10-9-27
post #11884 of 19603
Thread Starter 
Quote:
Originally Posted by Shweller View Post

Just ran X264 normal priority at 4.6GHz on my 4670K and hit a max temp of 58°C on one core. I only ran 1 loop. How many loops does everyone run for stability?

 

 

Quote:
Originally Posted by Gamerfanatic View Post

Just thought I'd put my input here...

Motherboard: ASUS MAXIMUS VI GENE
CPU: i7 4770k
Core Multiplier: x45
BLCK: 100Mhz
Cache Max: x45
Volts: 1.28 Adaptive
Temps: 35-40 idle and 80 max on load. (The computer is directly under a shelf with so the restricted airflow out of the H100i probably doesn't help)

Pretty comfortable here...

Edit:
Corsair (CMY16GX3M2A1600C9R) overclocked to 1.6v @ 1866Mhz 9-10-9-27

You mind filling out this:

Username:
CPU Model:
Core Multiplier: [If you used Blck strap, put what Blck and mention your resulting frequency]
CPU VID: This is the CPU core voltage value you input into BIOS.
Vcore: This is the CPU Vcore reading from Hwinfo or HWMonitor under load. "Load" depends on what you're stressing.
Uncore Multiplier:
Uncore Voltage:
Cooling Solution:
Stability Test: [Any test is OK, synthetic or not. List how long test is run.]
Batch Number: [Malay or Costa Rica chip? Please list the entire batch number if you can.]
Ram Speed: [Timings if you know them.]
Ram Voltage: [If stock, ignore this.]
Input Voltage: [aka VCCIN, Vrin, Eventual Input Voltage]
LLC Setting: [If you didn't change default, say AUTO]
Motherboard: [Optional. Not required to be charted, not required for picture verification.]

Quote:

Originally Posted by Shweller View Post

Just ran X264 normal priority at 4.6GHz on my 4670K and hit a max temp of 58°C on one core. I only ran 1 loop. How many loops does everyone run for stability?

As the thread recommends, to be sure we recommend 20+. Ideally 40 or overnight.

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Hard DriveHard DriveHard DriveCooling
Samsung 950 Pro 512gb (Undelwalt) WD Red 2tb (Pack Yak II) Seagate Expansion Drive 5tb (Phoenix Down II) 3x560mm HardwareLabs Nemesis GTX 
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CoolingCoolingCoolingCooling
14xEK ACF (Compression Fittings) EK x4 250 (v2) Distilled Water + PT Nuke (Copper Sulphate) 24x140mm Silent Wings 3 
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Windows 10 Pro 64bit Catleap 27 Inch 2560x1440 IPS 60hz Display Coolermaster Storm Trigger (Brown Switches) EVGA P2 1000w 
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CPUMotherboardGraphicsRAM
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CoolingCoolingOSMonitor
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post #11885 of 19603
Quote:
Originally Posted by Darkwizzie View Post


As the thread recommends, to be sure we recommend 20+. Ideally 40 or overnight.

When i was testing core x45, i had found stability with XTU at vid 1.28V (then crashed in game cs:go),at 1.29V x264 stopped at a loop in the 50s.
1,30V then passed 96 or 100 loops which is equivalent to 24h for me. Anyway, as stated in 1st post, who can know if it would have stopped at 101 or 102nd loop ? biggrin.gif
prime95 27.9 set to 1344-1344 came to the same conclusion with 1h tests, so i think it could be use to quickly find a setting, then validate with a long x264 test, at least for the stability I'm trying to reach.

About my OCing, when testing core x45 vid 1.30V (vcore max 1.328V), temps reached 76 or 77°C
But now that i've set ring x43 and vring 1,31V (measured 1.341V on HWMonitor), temps reach 80°C (still x264) (50 to 80°C for cores 1,2,3 and 45-72°C for core 4) (office is at 22-23°C)
I can lower those temp to 78 if i raise chassis fan to 3rd speed (have to manually set it and it is noisy though).
Do you think it is too much and i should set ring down to x42 ? (temps don't go that high when playing my favorite game but summer is not there yet).
 
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post #11886 of 19603
Quote:
Originally Posted by ConnorMcLeod View Post

I would set uncore back to 34 or whatever is default setting and set ram to 1333 and test only core setting in games, else you won't ever know which setting is unstable.

34 turbo's sometimes on i5 and 35 turbo's sometimes on i7, so best to set/recommend 33
Quote:
Originally Posted by Shweller View Post

Just ran X264 normal priority at 4.6GHz on my 4670K and hit a max temp of 58°C on one core. I only ran 1 loop. How many loops does everyone run for stability?

1-100 hours

If you still have 20c of headroom though, why not use it?
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post #11887 of 19603
Quote:
at 1.29V x264 stopped at a loop in the 50s.

That's mostly why i don't test as long, if it'll last an hour or two, there's little reason for testing a mean time between failure (running til it fails like 5 times..)

You can just add 0.01-0.02vcore, or like 0.05vrin etc, to see if it suddenly works perfectly.
Quote:
About my OCing, when testing core x45 vid 1.30V (vcore max 1.328V), temps reached 76 or 77°C
But now that i've set ring x43 and vring 1,31V (measured 1.341V on HWMonitor), temps reach 80°C (still x264) (50 to 80°C for cores 1,2,3 and 45-72°C for core 4) (office is at 22-23°C)
I can lower those temp to 78 if i raise chassis fan to 3rd speed (have to manually set it and it is noisy though).
Do you think it is too much and i should set ring down to x42 ? (temps don't go that high when playing my favorite game but summer is not there yet).

I see no reason to use over ~1.2v or so on the Ring unless you're already at ~1.4vcore or have a load that you can show responds well to cache performance.

If you wanted more performance, you'd just go up 1 core multiplier, no?
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post #11888 of 19603
Been playing with some settings in my BIOS and found this sweet spot for my i7-4770K:

fh69LYd.jpg

Current settings:

Core Multiplier: 42 (4.2Ghz)
Uncore Multiplier: 40 (4.0Ghz)
CPU SA: 0.9V
Vcore: 1.2000V
Uncore Voltage: 1.2000V
Cooling Solution: Corsair H105
Batch Number: Malay, L336C836
Ram Speed: 1600Mhz
Ram Voltage: 1.500V
Input Voltage: 1.800V
LLC Setting: Level 4
PCH Core: 1.1V
PCH VLX: 1.5500V
Motherboard: ASUS Maximus VI Extreme

It's near the 3DMark score of 4.4Ghz Core + 3.5Ghz Uncore of what I used to run.
I'm curious if I can pull out some more Mhz with the 4Ghz cache frequency.
post #11889 of 19603
Quote:
Originally Posted by Cyro999 View Post


If you wanted more performance, you'd just go up 1 core multiplier, no?

I have no heat room for this with my MC hyper 212 evo and poor chassis air flow, i will consider dropping ring to x42 then, thanks.
 
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post #11890 of 19603
Quote:
Originally Posted by koekwau5 View Post

Been playing with some settings in my BIOS and found this sweet spot for my i7-4770K:

fh69LYd.jpg

Current settings:

Core Multiplier: 42 (4.2Ghz)
Uncore Multiplier: 40 (4.0Ghz)
CPU SA: 0.9V
Vcore: 1.2000V
Uncore Voltage: 1.2000V
Cooling Solution: Corsair H105
Batch Number: Malay, L336C836
Ram Speed: 1600Mhz
Ram Voltage: 1.500V
Input Voltage: 1.800V
LLC Setting: Level 4
PCH Core: 1.1V
PCH VLX: 1.5500V
Motherboard: ASUS Maximus VI Extreme

It's near the 3DMark score of 4.4Ghz Core + 3.5Ghz Uncore of what I used to run.
I'm curious if I can pull out some more Mhz with the 4Ghz cache frequency.

You're using old version of Linpack with only avx1 support (not avx2)


Also, Angelotti x264 loop just crashed on my "stable" OC. It was solid with no such thing for over 6 months, which is interesting - i'm going to go from 1.265 to 1.27vcore (very tiny change i know, probably won't do anything realistically) and play with vrin a little, maybe use turbo LLC instead of extreme. It crashed quite early though, between 30 and 60 mins w/ 16 thread low priority while i was looping Heaven 4.0 on high prio on my GPU to look at case temps
Edited by Cyro999 - 4/21/14 at 5:17am
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